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kn KLEINFELDER <br /> U <br /> 2 BACKGROUND <br /> I <br /> The site is located at 500 Hospital Road in French Camp, California (Plate 1). Three <br /> approximately 12,000-gallon above ground fuel oil storage tanks previously existed on site <br /> (Plate 2). The tanks were placed in a concrete bermed area approximately 3 feet below the <br /> ground surface. A corrugated steel roof covered the tanks and concrete containment area. <br /> The tanks were removed in July of 1993. <br /> r On June 25, 1993, Kleinfelder collected three sail samples from the west end of the three <br /> aboveground fuel oil storage tanks. Oil staining and ponded oil were observed on the surface <br /> of the soil. Soil discoloration and organic vapor readings at the west end of the southern and <br /> middle tanks appeared to decrease by a depth of 4 feet. At the west end of the northern tank, <br /> soil discoloration and organic vapor readings were observed at a depth of 4.5 feet. <br /> a Based on the sampling performed by Kleinfelder, the San Joaquin County Department of <br /> J <br /> Capitol Projects requested scope of work to assess the lateral and vertical extent of fuel oil in <br /> P �1 a Pe <br /> the soil. A copy of the Kleinfelder proposal dated August 23, 1993 was submitted to the San <br /> Joaquin County Public Heath Services, Environmental Division (SJCEHD) as a work plan for <br /> approval and to obtain drilling permits. <br /> I I <br /> �r <br /> Ell <br /> r <br /> t I <br /> �t <br /> i <br /> 24-220152-EOO/GRI-01(1993) Page 2 of 7 October 27, 1993 <br /> Copyright 1993 Kleinfelder, Inc. <br /> r <br />